Hearing protection device

Abstract

The utility model relates to the technical field of hearing protection devices, and discloses a hearing protection device which comprises two earmuff structures, a head-mounted structure and a cap-matched support structure, the head-mounted structure is connected between the two earmuff structures, and each earmuff structure is provided with the cap-matched support structure. According to the earmuff structure, external noise is prevented from entering the hearing protection device through the earmuff compression sponge, the earmuff shielding sponge, the main sealing ring and the like, and the situation that a worker cannot hear sound in the hearing protection device clearly when using the hearing protection device is prevented; and the hearing protection device is assembled on the safety helmet through the helmet support structure, so that a worker can use the hearing protection device when wearing the safety helmet.

Description

Technical Field

[0001] This utility model relates to the technical field of hearing protection devices, specifically a hearing protection device. Background Technology

[0002] Noise refers to the sound emitted when a sound-producing body vibrates irregularly. Sound is generated by the vibration of objects and propagates in the form of waves through a certain medium (such as solids, liquids, and gases). From a physiological point of view, any sound that interferes with people's rest, study, and work, or interferes with the sounds they want to hear—that is, unwanted sound—is collectively called noise. When noise has adverse effects on people and the surrounding environment, it constitutes noise pollution. The creation and use of various mechanical devices have brought prosperity and progress to humankind, but they have also generated more and more noise, and the noise levels are getting higher and higher.

[0003] The main noise at mine sites is continuous low-frequency mechanical noise, with some positions experiencing a superposition of continuous and impulse noise. Existing technologies typically employ a structure similar to the walkie-talkie disclosed in application number CN 201930509493.5. However, this type of ear-cup noise-canceling structure has drawbacks. Its large size causes discomfort for workers wearing it, and its bulk also affects the wearing of safety helmets, limiting its applicability to situations where helmets are not required. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] In view of the shortcomings of the prior art, this utility model provides a hearing protection device to solve the problems mentioned in the background art, such as the discomfort of wearing earmuffs and the impact on the wearing of safety helmets.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, the present invention provides the following technical solution: a hearing protection device, comprising: two earmuff structures, a headband structure, and a hat support structure, wherein the headband structure is connected between the two earmuff structures, and the hat support structure is provided on each earmuff structure;

[0008] Each of the aforementioned earmuff structures includes a housing, the edge of which is provided with a frame, and an earmuff cushioning pad is provided inside the frame. A main circuit board, earmuff compression foam, speaker support frame, and earmuff blocking foam are sequentially arranged between the housing and the earmuff cushioning pad; a button is provided on the outer wall of the housing.

[0009] The cap fitting support structure comprises a cap fitting support upper shell and a cap fitting support lower shell, a cap fitting adapter wire and a cap fitting support rotating pin are arranged between the cap fitting support upper shell and the cap fitting support lower shell, and a cap fitting adapter is arranged at one end of the cap fitting support lower shell.

[0010] Preferably, a decorative cover is arranged on the outer wall of the shell, and the button is located between the shell and the decorative cover.

[0011] Preferably, a microphone cover is arranged in the shell, a microphone is arranged in the microphone cover, a sponge is arranged at one end of the microphone, and a gland is arranged at one end of the sponge; a lithium battery is arranged in the shell, a potential meter is arranged at the lower end of the outer side wall of the shell, and an adjusting knob is arranged at the lower end of the potential meter.

[0012] Preferably, a main sealing ring is arranged around the ear cover, and a loudspeaker is arranged on the side wall of the loudspeaker support frame.

[0013] Preferably, one end of the cap fitting support upper shell is connected to the cap fitting adapter and the cap fitting support lower shell through the cap fitting adapter wire and a screw.

[0014] Preferably, a microphone rotating shaft is arranged on one of the shells, a microphone hose is arranged at the upper end of the microphone rotating shaft, a microphone is arranged at the upper end of the microphone hose, and a microphone sponge cover is arranged outside the microphone.

[0015] Preferably, the head-wearing structure comprises a connecting line, and wire covers are arranged at both ends of the connecting line.

[0016] Preferably, both ends of the connecting line are connected to the upper end of the shell.

[0017] Advantages

[0018] Compared with the prior art, the cap fitting support structure has the following advantages:

[0019] 1、The cap fitting support structure is arranged; the cap fitting adapter wire is connected to the wire support, the cap fitting support structure is connected to the ear cover structure, the cap fitting adapter can be worn on the safety helmet, and the worker can use the hearing protection device while wearing the safety helmet.

[0020] 2. The ear cover structure of the utility model is sequentially provided with a main circuit board, ear cover compression sponge, loudspeaker support frame and ear cover shielding sponge between the shell and the ear cover buffer pad, which can make the staff have better wearing comfort, can block the damage of environmental noise to the staff's hearing, reduce the influence of environmental noise on the staff when using the hearing protection device, and accurately acquire the sound in the hearing protection device.

[0021] 3. The hearing protection device of the utility model can also be connected with a intercom, use a potentiometer and an adjusting knob to adjust frequency, press the button arranged outside the shell, and communicate through the microphone arranged outside the shell and the microphone arranged in the shell. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a structural schematic view of the utility model;

[0023] Figure 2 It is a side view structural schematic view of the utility model;

[0024] Figure 3 It is a top view structural schematic view of the utility model;

[0025] Figure 4 It is a partial exploded structural schematic view of the ear cover structure in the utility model;

[0026] Figure 5 It is a structural schematic view of the head wearing structure in the utility model;

[0027] Figure 6 It is an exploded structural schematic view of the cap fitting support structure in the utility model.

[0028] In the drawing: 1, ear cover structure; 101, shell; 102, decorative cover; 103, frame; 104, ear cover buffer pad; 105, main circuit board; 106, ear cover compression sponge; 107, loudspeaker support frame; 108, ear cover shielding sponge; 109, main sealing ring; 110, loudspeaker; 111, wire support; 112, microphone cover; 113, microphone rotating shaft; 114, microphone hose; 115, microphone sponge cover; 116, button; 117, microphone; 118, sponge; 119, gland; 120, potentiometer; 121, adjusting knob; 2, head wearing structure; 201, connecting wire; 202, wire cover; 3, cap fitting support structure; 301, cap fitting support upper shell; 302, cap fitting support lower shell; 303, cap fitting adapter steel wire; 304, cap fitting support rotating pin; 305, cap fitting adapter; 306, screw. DETAILED DESCRIPTION

[0029] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, apparently, the described embodiment is only a part of the embodiment of the utility model, and is not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0030] The utility model provides a technical scheme, a hearing protection device, please refer to Figures 1-6 , including two ear cover structure 1, head wearing structure 2 and cap support structure 3, two ear cover structure 1 is connected with head wearing structure 2, and cap support structure 3 is arranged on each ear cover structure 1;

[0031] Each ear cover structure 1 includes shell 101, and the edge of shell 101 is provided with frame 103, and ear cover buffer pad 104 is arranged in frame 103, and ear cover buffer pad 104 makes that staff wears comfortably;Main circuit board 105, ear cover compression sponge 106, loudspeaker support frame 107 and ear cover shielding sponge 108 are sequentially arranged between shell 101 and ear cover buffer pad 104, loudspeaker 110 is arranged on the side wall of loudspeaker support frame 107, main sealing ring 109 is arranged around ear cover shielding sponge 108, ear cover compression sponge 106, ear cover shielding sponge 108 and main sealing ring 109 can block the noise of outside into hearing protection device, and prevent staff from not clearly hearing the sound in hearing protection device when using hearing protection device, and prevent the damage of external environmental noise to staff's ear;Button 116 is arranged on the outer wall of shell 101, and decorative cover 102 is also arranged on the outer wall of shell 101, and button 116 is located between shell 101 and decorative cover 102;Microphone sleeve 112 is arranged in shell 101, microphone 117 is arranged in microphone sleeve 112, sponge 118 is arranged at one end of microphone 117, and gland 119 is arranged at one end of sponge 118;Lithium battery is arranged in shell 101, and provides power supply for ear cover structure 1;Potential transformer 120 is arranged at the lower end of the outer side wall of shell 101, and adjusting knob 121 is arranged at the lower end of potential transformer 120;

[0032] One of shell 101 is provided with microphone shaft 113, microphone flexible tube 114 is arranged at the upper end of microphone shaft 113, microphone 115 is arranged at the upper end of microphone flexible tube 114, and microphone sponge sleeve 115 is arranged outside microphone 115, the utility model hearing protection device can also be connected with intercom, frequency modulation is carried out using potential transformer 120 and adjusting knob 121, and communication is carried out through the microphone arranged outside the shell and microphone 117 arranged in shell 101.

[0033] The head-mounted structure 2 comprises a connecting line 201, both ends of the connecting line 201 are provided with a wire sleeve 202, and both ends of the connecting line 201 are connected with the upper end of the shell 101.

[0034] The cap fitting support structure 3 comprises a cap fitting support upper shell 301 and a cap fitting support lower shell 302, the cap fitting support upper shell 301 and the cap fitting support lower shell 302 are provided with a cap fitting adapter steel wire 303 and a cap fitting support rotating pin 304, one end of the cap fitting support lower shell 302 is provided with a cap fitting adapter 305; one end of the cap fitting support upper shell 301 passes through the cap fitting adapter steel wire 303 and is connected with the cap fitting adapter 305 and the cap fitting support lower shell 302 through a screw 306, the screw 306 is connected with the cap fitting support rotating pin 304; the outer wall of the shell 101 is provided with a wire support 111, and the cap fitting adapter steel wire 303 is detachably connected with the wire support 111; the cap fitting adapter steel wire 303 is connected with the wire support 111, so that the cap fitting support structure 3 is connected with the earmuff structure 1, and the cap fitting support structure 3 can be assembled on the safety helmet, and the staff can use the hearing protection device when wearing the safety helmet.

[0035] The working process of the device is as follows: when the staff does not wear the safety helmet, the head-mounted structure 2 is directly worn on the head of the staff because the two ends of the head-mounted structure 2 are connected with two earmuff structures 1, the cap fitting support structure 3 can be rotated to the two sides through the wire support 111, or the cap fitting support structure 3 can be detached; when the staff wears the safety helmet, the cap fitting adapter steel wire 303 is connected with the wire support 111, so that the cap fitting support structure 3 is connected with the earmuff structure 1, the cap fitting adapter 305 of the cap fitting support structure 3 can be worn on the safety helmet, and the staff can use the hearing protection device when wearing the safety helmet.

[0036] The earmuff structure 1 is provided with a lithium battery, which provides power supply for the hearing protection device, and the lower end of the shell 101 can also be connected with a intercom through a cable, frequency modulation is performed by using a potentiometer 120 and an adjusting knob 121, and communication is performed through a microphone provided outside the shell 101 and a microphone 117 provided inside the shell 101.

[0037] It should be noted that, in the present document, the terms such as first and second, etc., are merely used to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such a process, method, article or device.

[0038] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hearing protection device, characterized in that, include: Two earmuff structures (1), a headband structure (2) and a hat support structure (3), the headband structure (2) is connected between the two earmuff structures (1), and the hat support structure (3) is provided on each earmuff structure (1); Each of the earmuff structures (1) includes a housing (101), the edge of which is provided with a frame (103), and an earmuff cushioning pad (104) is provided inside the frame (103). A main circuit board (105), an earmuff compression sponge (106), a speaker support frame (107), and an earmuff blocking sponge (108) are arranged sequentially between the housing (101) and the earmuff cushioning pad (104). A button (116) is provided on the outer wall of the housing (101). The cap fitting bracket structure (3) includes an upper cap fitting bracket housing (301) and a lower cap fitting bracket housing (302). A cap fitting adapter wire (303) and a cap fitting bracket rotating pin (304) are provided between the upper cap fitting bracket housing (301) and the lower cap fitting bracket housing (302). A cap fitting adapter (305) is provided at one end of the lower cap fitting bracket housing (302). A wire support (111) is provided on the outer wall of the housing (101), and the cap fitting adapter wire (303) is connected to the wire support (111).

2. The hearing protection device according to claim 1, characterized in that, The outer wall of the housing (101) is provided with a decorative cover (102), and the button (116) is located between the housing (101) and the decorative cover (102).

3. A hearing protection device according to claim 2, characterized in that, A microphone sleeve (112) is provided inside the housing (101), and a microphone (117) is provided inside the microphone sleeve (112). A sponge (118) is provided at one end of the microphone (117), and a pressure cap (119) is provided at one end of the sponge (118). A lithium battery is provided inside the housing (101), and a potentiometer (120) is provided at the lower end of the outer wall of the housing (101). An adjustment knob (121) is provided at the lower end of the potentiometer (120).

4. A hearing protection device according to claim 3, characterized in that, The earmuff blocking sponge (108) is surrounded by a main sealing ring (109), and a speaker (110) is provided on the side wall of the speaker support frame (107).

5. A hearing protection device according to claim 1, characterized in that, One end of the upper housing (301) of the cap bracket passes through the steel wire (303) of the cap adapter and is connected to the cap adapter (305) and the lower housing (302) of the cap bracket by screws (306).

6. A hearing protection device according to claim 5, characterized in that, A microphone shaft (113) is provided on one of the housings (101), a microphone hose (114) is provided at the upper end of the microphone shaft (113), a microphone is provided at the upper end of the microphone hose (114), and a microphone foam sleeve (115) is provided outside the microphone.

7. A hearing protection device according to claim 1, characterized in that, The headgear structure (2) includes a connecting line (201), and both ends of the connecting line (201) are provided with a sleeve (202).

8. A hearing protection device according to claim 7, characterized in that, The two ends of the connecting line (201) are connected to the upper end of the housing (101).

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